// Initializes a new instance of the StringBuilder class and appends the given value if supplied
function StringBuilder(value) {
    this.strings = new Array("");
    this.append(value);
}

// Appends the given value to the end of this instance.
StringBuilder.prototype.append = function (value) {
    if (value){
        this.strings.push(value);
    }
};

// Clears the string buffer
StringBuilder.prototype.clear = function () {
    this.strings.length = 1;
};

// Converts this instance to a String.
StringBuilder.prototype.toString = function () {
    return this.strings.join("");
};


